On Oct 17, 2011, at 5:59 PM, emorway wrote:
Hi Carlos,
Thanks for the response. The plot you suggested was not in line
with what
I'm trying to produce in R. The last plot found at:
http://www.advsofteng.com/gallery_contour.html
is more along the lines of what I'm looking for. Notice the scatter
points
(shown by "x") are not laid out in a regular/gridded fashion, yet the
plotting software was still able to use some kind of interpolation
and plot
contours. All the contouring options I'm finding in R require the
spatial
locations of data points to be in a 'regular' grid. That is, data
in each
row must have the same y coordinate and data in each column must
have the
same x coordinate. I'm seeking flexibility in the location of the
points on
which the contours are based.
See if this SO answer satisfies the problem requirements:
http://stackoverflow.com/questions/4228280/how-can-i-map-the-regular-dataset-using-coordinates-in-r/
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